baber/WOPTO huggingface dataset:
Patent JP-H09243000-A (JP)
Title: Method and device for inspecting inner surface of pipe
Inventor: NISHIO TADASHI
IPC: F17D5/06
Filed: 1996-03-11
Abstract: PROBLEM TO BE SOLVED: To inspect the inner surface of a pipe with no obstruction of the water in the pipe by inserting a TV camera in a flexible tube having hermeticity and sealing the tube and expanding the tube at a desired position in the pipe to be inspected to press the tube on the inner surface of the pipe and then observing the inner surface of the pipe. SOLUTION: A TV camera 6 is disposed in a tube 5 which is folded back into inside at the center 5a and whose outer side 5b end and inner side 5c end are plugged with plugs 7, 8 and a pulling wire 9 and a cable 10 are disposed in the pipe. When a damage produced in the pipe 1 in which water 2 remains is inspected with the inspection device 4, the pulling wire 9 is pulled to move the device 4 at the place where the water remains and pressurized fluid is introduced into the tube 5 from the inlet 11 and expands the outer side 5b to push the water 2 aside whereby the outer side 5b is pressed on the inner surface of the pipe 1. As the tube 5 is reversed, the TV camera 6 is moved backward and observes the inner surface of the pipe 1.
Patent JP-S62240142-A (JP)
Title: Production of bar type casting block
Inventor: KIMURA TAKAHIDE
IPC: B22D11/14
Filed: 1986-04-11
Abstract: PURPOSE:To efficiently produce a bar-type casting block without internal defect by arranging a cooling means for the casting block during drawing up at the time of drawing up the bar-type casting block from molten metal by a rotating seed bar. CONSTITUTION:The seed bar 2, which is the same kind as the molten metal 1, is descended while rotating from upper side of the molten metal 1, and ascended in contact with the molten metal 1, to form the bar-type casting block 3. Then, a cylindrical water cooling jacket 4, which is concentric state with the casting block 3, is arranged at around the casting block 3 near the molten metal 1, and ring-type nozzles 5, which inject the cooling gas (N2 gas, etc.) toward the casting block 3, are arranged at the inside of the jacket 4. The cooling water is flowed in this jacket 4, and by injecting the cooling gas from the nozzles 5, the solidification of the molten metal 1 is promoted, and the draw-up velocity of the casting block 3 is improved. Further, the jacket 4 is protected by a supporting cylinder 7 made of the fire resisting insulating material and the bulging part, which is almost same shape as the inner diameter of the nozzle 5, is formed at the lower end of the nozzle for the inner side of the jacket 4 and the inner diameter of the nozzle 5 is to be about two times of the aimed outer diameter of the casting block 3.
Patent JP-S60225613-A (JP)
Title: Simple clarification of muddy water
Inventor: SHIBATA YOSHIO
IPC: C02F1/52
Filed: 1984-04-24
Abstract: PURPOSE:To simply and economically clarify muddy water, by settling soil particles in muddy water by passing muddy water through a chemical solution mixing apparatus. CONSTITUTION:The muddy water gathered to a muddy water storage basin is pumped up to be guided to the water sucking port of a chemical solution mixing apparatus through a hose 8 and a base valve 1 is adjusted to flow the muddy water into said mixing apparatus in an volume of 400l per a min. The muddy water is brought into contact with a flocculant in a disturbed flow state by adjusting an addition adjusting valve 7 so that 1.5-7.5l per a min of a dilute flocculant solution is sucked by a suction apparatus to be added to the muddy water. Further, the hose 8 is connected to the emitting port of the chemical solution mixing apparatus and the muddy water is brought into contact with the flocculant more strongly in said hose 8. As a result, soil particles are mutually flocculated to be formed into flocs so that the muddy water has transparency of about 80% at the time of emission and the treated water is discharged to rivers.
Patent JP-S59209510-A (JP)
Inventor: SHIRATORI YUKIO
IPC: B65B27/10
Filed: 1983-05-13
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S58200378-A (JP)
Title: Sorting device of character pattern
Inventor: HAGITA NORIHIRO
IPC: G06V30/184
Filed: 1982-05-18
Abstract: PURPOSE:To permit a device which extracts a character pattern from the distribution of two-dimensional character line structure to sort the character pattern efficiently, by observing each rectangular area in plural coordinate-axis directions. CONSTITUTION:A binary-coded handwriting character pattern is read out of a storage circuit and a character pattern obtained by normalization, fringing, and smoothing processing is inputted to the feature extracting device. A probe is extended from each black dot in the character pattern in plural directions to count the number of concatenated black dots in every direction, finding the degree of direction contribution of the black dots. Then, the character pattern is divided into rough mesh rectangular areas 9-1-9-P, which are observed in plural directions of coordinate axes 10-1-10-4 and the degree of direction contribution of character lines crossing the coordinate axes 10-1-10-4 at right angles are calculated at the coordinate axes 10-1-10-4 to extract two-dimensional geometric features.
Patent JP-H02262014-A (JP)
Title: Apparatus for detecting amount of intake air
Inventor: SAKAGAMI YASUNORI
IPC: G01F1/68
Filed: 1989-03-31
Abstract: PURPOSE:To suppress the occurrence of vibration of a detecting element and to secure stable detecting accuracy by arranging the longitudinal direction of the detecting element in parallel with the reciprocating direction of the piston of an internal combustion engine. CONSTITUTION:The base end part of a base material 11 of a detecting element 10 in the longitudinal direction is supported with an air intake cylinder 21 in a cantilever position. The planar surface of the base material is made in parallel with the flow of intake air. The longitudinal direction of the base material 11 is made parallel with the reciprocating direction of a piston. At this time, the flow of the intake air is aligned in the direction of a inside blanked arrow. The vibrating direction of an internal combustion engine is the direction of two-way arrow. Therefore, the tip part of the detecting element 10 which is attached in the above described way in the longitudinal direction is moved on the same axis as the base end part, but the tip part is not fluctuated with respect to the base end part. The element 10 is not resonated with the vibration of the internal combustion engine 30. Thus the stable detecting accuracy can be secured.
Patent JP-H11282062-A (JP)
Title: Electronic equipment and its control method
Inventor: ISHII MASASHI
IPC: H04B1/38
Filed: 1998-03-30
Abstract: PROBLEM TO BE SOLVED: To suppress a noise caused by charging or emission of light of a flashing device during radio communication and to maintain constant communication quality by inhibiting radio communication and charge of the capacitor of the flashing device or radio communication and light emission by the flashing device from being simultaneously performed. SOLUTION: A control part 102 returns to its initial procedure when a radio communication state flag 111 shows that a radio communication is being performed, or when the flag shows that a radio communication is under preparation. And, the main capacitor of a stroboscope is charged when the flag 111 shows that the radio communication is neither being performed nor under preparation. Namely, prior to charging the main capacitor of the stroboscope, a communication state is checked, and when communication is under preparation or is being performed, a user waits for the finish of them, thereafter, the main capacitor of the stroboscope is charged. Thus, a radio signal is not influenced by a noise due to charging the main capacitor of the stroboscope, and a certain communication quality is secured.
Patent JP-S5511823-A (JP)
Title: Method of forming hollow formed article with insert
Inventor: SASAKI TAKESHI
IPC: B29C49/00
Filed: 1978-07-12
Abstract: PURPOSE:To obtain a hollow formed article with inserts inside by press fixing insert parts held by a rod in a thermoplastic resin melted parison to the inner wall surface of the parison by the action of external press fixing boards and then blowing in air. CONSTITUTION:In a thermoplastic resin melted parison 1 extruded from or injection moulded in a die, insert parts 3, for example, wave preventing boards are fixed and heat welded to the inner wall surface of the parison 1 inside a metal die 4, and air is blown in through air blowing pins provided on the rod 2. Air may be blown in from some other air blowing pins after removing the rod 2. For the material of the insert parts 3, thermoplastic resins, metals, etc., can be used, but the same kind of a thermoplastic resin as the parison can be fixed easily by press fixing. Further, hollow formed articles having inserts such as inner tanks, partition boards, etc., can also be made.
Patent JP-H03281339-A (JP)
Title: Chlorine-containing resin laminate
Inventor: SATO HIROYUKI
IPC: B32B27/28
Filed: 1990-03-30
Abstract: PURPOSE:To enhance interlaminar bonding strength by forming a laminate of a vinyl chloride resin and/or a vinylidene chloride resin layer and an ethylene/vinyl acetate copolymer resin layer having a specific melt flow rate. CONSTITUTION:A layer of a vinyl chloride resin and/or vinylidene chloride resin (A) and a layer of a modified ethylene/vinyl acetate copolymer resin (B) with a melt flow rate of 0.5 - 12g/10 min and total vinyl acetate content of 20 - 80 wt.% obtained by reacting an ethylene/vinyl acetate copolymer with vinyl acetate content of 5 - 50 wt.% with a vinyl acetate monomer under a graft reaction condition are laminated by coextrusion molding to obtain a chlorine-containing resin laminate. The obtained laminate is especially useful in the field of the coating of the inner surface of a metal pipe difficult in lamination heretofore.
Patent JP-S528701-A (JP)
Title: Push-button type tuner
Inventor: OOHASHI TAMAKI
IPC: H03J5/02
Filed: 1975-07-10
Abstract: PURPOSE: In order to promote the accuracy of channel selection, through designing a tuner not ot give any influence on the side-motion displacement of a side-motion plate even though the channel selection part performs the inclined motion. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S5512408-A (JP)
Title: Breakdown voltage testing method of insulator
Inventor: IWAMATSU SEIICHI
IPC: G01R31/26
Filed: 1978-07-12
Abstract: PURPOSE: To make it possible to meter the true value of the breakdown voltage of an insulating film by charging an insulator whit positive or negative charges due to the corona discharge and by metering the charge potential with the use of a surface potentiometer.  
     CONSTITUTION: In case the breakdown voltage of a film 2 of SiO 2  which is formed on a P type semiconductor wafer of Si, the Si wafer 1 formed with the film 2 is placed on a test table and is stored with positive (or negative) charges due to the corona discharge. The charges stored on the insulating film can be manually or automatically measured with the use of a surface potentiometer. Thus, the charge storages are repeated, and the storages are repeated on the film of SiO 2  so that the maximum potential to be stored on the film of SiO 2  becomes the potential value, which can be endured at the most under the condition with no current flowing through the insulating film, i.e., the direct value of the breakdown voltage. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S63249338-A (JP)
Title: Dry etching process
Inventor: ARIKADO TSUNETOSHI
IPC: H01L21/302
Filed: 1987-04-06
Abstract: PURPOSE:To improve selectivity to resist during an etching process, by causing a photopolymerizing monomer to react upon a resist pattern while irradiated with light, and etching a substrate masked with the resist pattern reacted with the photopolymerizing monomer. CONSTITUTION:Resist is applied on a substrate to be etched 1 and a desired pattern is exposed on the resist. The exposed pattern is then developed. A photopolymerizing monomer is caused to react on the resist while irradiated with light, and the substrate 1 is etched by using the resist pattern 4 reacted with the photopolymerizing monomer. In this manner, the etching rate of the resist can be reduced substantially and the resist can be prevented from retracting at the ends thereof, Thus, it is possible to provide fine patterns with high precision.
Patent JP-S5420553-A (JP)
Title: Elevator system
Inventor: SAKATA KAZUHIRO
IPC: B66B3/00
Filed: 1977-07-15
Abstract: PURPOSE: To accelerate the processing speed of a signal in an elevator system with inexpensive construction by providing a microcomputer in addition to a group supervisory system computer for processing the signal with respect to the hall call unit. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H03283585-A (JP)
Title: Light oscillator
Inventor: UDA YOSHIHIRO
IPC: H01S5/00
Filed: 1990-03-30
Abstract: PURPOSE:To avoid an unstable operation without forcible high temperature operation temporarily at a semiconductor laser by controlling an electronic cooler based on the detected result of a variation amount in the forward DC voltage drop of the laser. CONSTITUTION:A modulator 15 applies a modulating pulse current to a semiconductor laser 1. Simultaneously, a light output stabilizer 16 controls the DC bias of the laser 1 in response to variation in the photocurrent of a photodiode 5, and holds the average value of the output optical power of the laser 1 constant. Further, a temperature controller 17 has a circuit for detecting variation in the forward DC voltage drop of the laser 1, regulates a DC current value flowing to an electronic cooler 6 by corresponding the detected variation amount to variation in the temperature of the laser 1, and holds the temperature of the laser 1 constant. The follow-up of the temperature controller for cooling the laser 1 is enhanced to avoid a disadvantage in which the operation becomes unstable due to the temperature rise of the laser 1.
Patent JP-S58200296-A (JP)
Inventor: KAWAMOTO KINJI
IPC: G10H7/02
Filed: 1982-05-18
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S5511052-A (JP)
Title: Electrolysis apparatus for waste water treatment
Inventor: OOTSUKA NOBUO
IPC: C02F1/46
Filed: 1978-07-10
Abstract: PURPOSE: To efficiently separate and remove waste water containing emulsified oil-form materials by disposing a cathode in proximity to a hollow anode having small pores and providing a discharge pipe of liquid in the anode and a overflow pipe of flooting matter.  
     CONSTITUTION: The waste water having beforehand been added with electrolyte is introduced from feed pipe 4 into an electrolytic cell 1 at the flow rate at which the liquid level in the cell is communicatable to an overflow pipe 5. The hydrogen gas produced from a cathode 3 through current supply is recovered from a pipe 6 while accelerating the convection of the waste water in the cell. The electrolyte anions liberated by the anode 2 oxidize and decompose the emulsified oil-form materials in the liquid and let the cohered oil drops 9 float on the liquid surface. These oil drops are withdrawn through the overflow pipe. The treated water having been removed of the oil-form materials passes through small pores 7 and flows into the anode, from where it is discharged to the outside of the cell through discharge pipe 8. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S58201199-A (JP)
Inventor: OOKUBO TADASHI
IPC: G08G1/01
Filed: 1982-05-19
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H07310478-A (JP)
Title: Straightening fitting for straightening distorted tabular body
Inventor: AROISU MAIERUHOOFUERU
IPC: E04F21/00
Filed: 1995-03-07
Abstract: PURPOSE: To surely fix a covering strip piece resisting even the bending of a drawbar. CONSTITUTION: The straightening metal fitting straightening the tabular body such as a distorted door panel has two mooring pieces capable of inserting to a door panel T and a drawbar 1 capable of supporting these mooring pieces so as to draw and a covering strip piece 2 covering a guide groove F for the drawbar 1 of the door panel T. The covering strip piece 2 comprises a shaped section having a cover side 3 covering the guide groove F and two clamping sides 4 projected from the cover side 3. These clamping sides 4 house the drawbar 1 between the clamping sides 4, and retaining projections 5 for clamping and pressing to the guide groove F are formed on the outside. The clamping sides 4 of the covering strip piece 2 have holding projection 6 abutted against the drawbar 1 on the mutually opposed insides.
Patent JP-S59210407-A (JP)
Title: Automatic focus detector of camera
Inventor: NISHIDA TAKAO
IPC: G02B7/38
Filed: 1983-05-14
Abstract: PURPOSE:To improve the ability to detect a focus by calculating two contrast distribution curves through specific arithmetic from the outputs of two self-scanning type photoelectric converters arranged at positions equivalent to the image pickup surface of a lens system, and utilizing the symmetry between both curves. CONSTITUTION:An image of a body other than a subject obtained through the lens system 2 is made incident to the photodetection part U1 consisting of two self-scanning type photoelectric converters such as CCDs arranged at positions equivalent to the image pickup surface through a light splitter 16, and the photodetection part U1 is driven by a driving circuit U7 to perform photoelectric conversion by a video circuit U2. Two video outputs are sent to a microcomputer U4 through an AD converter U3. The microcomputer U4 calculates contrast data AC and BC by the absolute value of the difference between the video signals as to every bit of a photoelectric element array, and only data which have the absolute values larger than the threshold value are extracted to calculate the contrast distribution curves 18a and 18b from the total of their squares. The curves 18a and 18b have left-right symmetry, so the focus is detected with high precision from their intersection (c).
Patent JP-H05246475-A (JP)
Title: Nozzle of aerosol device
Inventor: MEKATA SATOSHI
IPC: B05B1/02
Filed: 1992-03-05
Abstract: PURPOSE:To accurately spray a chemical liquid within a narrow limited region by a method wherein the inside diameter of a nozzle is within a specified range of values at the base part, is gradually reduced from the base part toward the tip, and is within a specified range of values at the tip. CONSTITUTION:A base part 2 of a nozzle 1 has an inside diameter within a range of 0.5-4.0mm like a conventional one, and is formed into a column shape. A tapered part 2a is gradually narrowed toward a spout port 3 at the tip and the sport port 3 has an inside diameter within a range of 0.1-0.6mm. The nozzle 1 has a radius gradient (the ratio of the axial length to the reduction in radius: tan theta) within a range of 1/50-1/3, and is gradually reduced in diameter toward the tip. Thereby, the nozzle 1 and an aerosol device, which are able to prevent chemical liquid from being dispersed into the atmosphere and to accurately spray it within a narrow limited region, can be obtained.
Patent JP-H10271665-A (JP)
Title: Protection method and protection system for spot network receiving equipment
Inventor: MATSUMOTO KATSUTARO
IPC: H02H3/02
Filed: 1997-03-19
Abstract: PROBLEM TO BE SOLVED: To provide a protection system by which the unnecessary break of a protector breaker can be avoided and a power can be supplied stably. SOLUTION: Network relays 11a and 11b which output power when the network line has a reverse power, and a power comparison relay 22 which has a load power function which outputs the network lines when the summation of the powers of the respective network lines is less than a stabilized value, a power direction detection function which outputs the network line whose power immediately before the direction of a power is turned from a forward direction to a backward direction is minimum, and a power width detection function which outputs the network line when the summation of the maximum value of its forward direction power and the maximum value of its backward direction power is larger than a stabilized value.  A protector breaker is open (a) when a backward power detection function outputs and a load power detection function does not, (b) when the backward power detection function outputs, the load power detection function outputs and the power direction detection function does not, and (c) when the backward power detection function outputs, the load power detection function outputs and the power width detection function outputs.
Patent JP-H01258891-A (JP)
Title: Fitting method for radiation fin of cylindrical body
Inventor: IKEDA YOICHI
IPC: B23K26/12
Filed: 1988-04-06
Abstract: PURPOSE:To stabilize welding and to improve the quality of a weld zone by arranging a shield plate at the opposite side to the beam projecting side of a fin in case of the laser beam welding of a radiation fin to a cylindrical body. CONSTITUTION:Welding is executed by a laser beam radiation gun by inserting fixtures 4a, 4b into a cylindrical body 1 and holding a radiation fin 2 on the cylindrical body 1 by a presser bar 5. In this case, the shield plate 6 whose tip part is bent is arranged at the opposite side to the beam radiation side and fixed to the presser bar 5 via an annular seat 8 and a volt 8. In case of the laser beam emitted from a beam radiation gun 3 welding the fin 2, a shielding gas is filled up in the space A formed by the shielding plate, the cylindrical body 1, fin 2 and presser bar 5 by passing through the key hole of a welding point and released in an optimum amt. from a discharging port B. Due to the shielding gas surely sealing a weld zone the laser beam welding is stabilized and the quality of the weld zone is improved.
Patent JP-S528840-A (JP)
Title: Method of observing topographical structure
Inventor: WADA SHINJI
IPC: G01N21/958
Filed: 1975-07-10
Abstract: PURPOSE: To facilitate a transparent thin film topological structure on a transperent base plate by closely adhering a substance which eliminates the backside reflection to the backside of the base plate. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H06299284-A (JP)
Title: High strength nitrided sintered member excellent in wear resistance and its production
Inventor: HIROSE MASAHITO
IPC: F16K1/42
Filed: 1993-04-12
Abstract: PURPOSE:To obtain a nitrided sintered member excellent in strength and wear resistance by mixing powders of alloy steel having a specified compsn., a hard material and a solid lubricative component in a specified, ratio and carrying out compacting and nitriding sintering. CONSTITUTION:Powder of alloy steel contg., by weight, 6-30% Cr and 5% Mo or further contg. <2% Si, <5% Ni and <3% C is mixed with <=20% one or more kinds of hard powders such as FeMo, FeW and FeCr powders, <=2% one or more kinds of powdery solid lubricants such as CaF2, BaF2, BN2, MoS2 and WS2 and a small amt. of lead stearate. The resulting mixture is press- compacted into a desired shape and sintered in an atmosphere of gaseous N2 or sintered in vacuum and subjected to nitriding treatment with gaseous N2 in the final stage of sintering to form a nitrided layer up to 0.5mm depth from the surface of the formed sintered compact. The objective high strength nitrided sintered member excellent in wear resistance is obtd.
Patent JP-H04296204-A (JP)
Title: Expansion actuator
Inventor: SATO KENJI
IPC: F15B15/00
Filed: 1991-03-25
Abstract: PURPOSE:To produce an expansion actuator which is short in the whole length and easy in positional control. CONSTITUTION:In an expansion actuator, a contracting cylinder 2 always energized in a contracting direction by accumulated pressure in an accumulator 24 and a ram cylinder 1 always energized in an extending direction by pressure supplied through a pressure control valve 30 are mutually joined in parallel.